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Ethyl acetate (systematically ethyl ethanoate, commonly abbreviated EtOAc, ETAC or EA) is the organic compound with the formula CH 3 CO 2 CH 2 CH 3, simplified to C 4 H 8 O 2.This flammable, colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, and the decaffeination process of tea and coffee.
Various methods can be used for decaffeination of coffee. These methods take place prior to roasting and may use organic solvents such as dichloromethane or ethyl acetate, supercritical CO 2, or water to extract caffeine from the beans, while leaving flavour precursors in as close to their original state as possible.
In the case of decaffeinated coffee, eliminating caffeine can cause a sharp decline in the natural taste of the coffee bean.During the process of decaffeination, the largest coffee producers in the world use a variety of ways to remove caffeine from coffee, often by means of chemical manipulation and the use of potentially harmful chemical components, such as methylene chloride or ethyl acetate.
Sugarcane juice Machine used to crush sugar cane to obtain the juice. Sugarcane juice is the liquid extracted from pressed sugarcane.It is consumed as a beverage in many places, especially where sugarcane is commercially grown, such as Southeast Asia, the Indian subcontinent, North Africa, mainly Egypt, and also in South America.
Sugarcane or sugar cane is a species of tall, perennial grass (in the genus Saccharum, tribe Andropogoneae) that is used for sugar production. The plants are 2–6 m (6–20 ft) tall with stout, jointed, fibrous stalks that are rich in sucrose , [ 1 ] which accumulates in the stalk internodes .
The FDA has one regulation allowing for the use of methylene chloride as a solvent to decaffeinate coffee, stipulating that “the residues of methylene chloride must not exceed 10 parts per ...
for Ethyl Acetate/Water [3] P = 760 mmHg BP Temp. °C % by mole C 4 H 8 O 2; liquid vapor 100.0: 0.0: ... for Ethyl Acetate/Ethanol [3] P = 760 mmHg BP Temp. °C % by ...
The water, which contains many other compounds in addition to caffeine and contributes to the flavor of coffee, is then passed through activated charcoal, which removes the caffeine. The water can then be put back with the beans and evaporated dry, leaving decaffeinated coffee with its original flavor.